Battery charger



FIG. 1 is a front elevational view of a battery charger showing our newdesign;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. The broken line showing isincluded for the purpose of illustrating environmental elements only andforms no part of the claimed design;

FIG. 6 is a front and upper right perspective view thereof, shown in theopen position; and,

FIG. 7 is a front and upper right perspective view thereof.

The ornamental design for a battery charger, as shown and described.